Need help: check engine lighi keep on

2003 Toyota Camry check engine light is on,code scan P 0031, after clean the throttle body andMAF sensor ,charged spark plug and changed the first O2 sensor the check engine light is still back on, what would do next  Thanks

所有跟帖： 

• Have you checked the coil? -andey- ♀ (33 bytes) () 11/23/2014 postreply 09:33:53

• Thank you, can you explan little more how do I check the coil -marie628- ♀ (0 bytes) () 11/23/2014 postreply 10:32:02

• You may let the car idling, and pull up the coils one by one. -andey- ♀ (25 bytes) () 11/23/2014 postreply 21:31:50

• Oxygen Sensor你買的什麽牌子？可能不合適 -soccer88- ♂ (167 bytes) () 11/23/2014 postreply 09:36:00

• This is I bought 2nd one -marie628- ♀ (153 bytes) () 11/23/2014 postreply 10:29:58

• Drive for a while and see if the code will be off -色大膽小- ♂ (0 bytes) () 11/23/2014 postreply 09:57:04

• Thank you, but I already erase couple of times use the scaner an -marie628- ♀ (53 bytes) () 11/23/2014 postreply 10:39:58

• If already reset couple of times use the scanner, then I don't k -色大膽小- ♂ (0 bytes) () 11/23/2014 postreply 12:12:09

• 可能要換催化器 -dola- ♂ (0 bytes) () 11/23/2014 postreply 16:41:26

• dankan -加國五台山- ♂ (0 bytes) () 11/24/2014 postreply 18:44:03

• 但看code, -加國五台山- ♂ (169 bytes) () 11/24/2014 postreply 18:53:08